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railway switch transition equipment
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railway switch transition equipment
Encyclopedia
工学
〔铁路信号设备〕
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railway switch transition equipment
铁路道岔转换设备
道岔尖轨或可动心轨位置转换和锁闭的机械装置。主要作用是变换铁路机车车辆的运行线路,并保障铁路机车车辆在道岔上运行的安全。
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